Velocity Selector: In a velocity selector consisting of perpendicular electric and magnetic fields, the speeds of the charged particles passing through the selector are increased or decreased until they are equal to the desired speed.
A. True
B. False
Answer: B
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A) A) 570 mJ. B) 29 mJ. C) 10 mJ. D) 100 mJ. E) 570 mJ.
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What will be an ideal response?
A particle (m = 20 mg, q = -5.0 mC) moves in a uniform electric field of 60 N/C in the positive x direction. At t = 0, the particle is moving 25 m/s in the positive x direction and is passing through the origin. How far is the particle from the origin at t = 2.0 s?
a. 80 m b. 20 m c. 58 m d. 10 m e. 30 m
A continuous spectrum is created by a hot ionized gas
a. True b. False Indicate whether the statement is true or false